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Transmission & Drivetrain

Performance & Replacement Transmission & Drivetrain Parts

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Performance & Replacement Transmission & Drivetrain Parts

Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic...

Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic and manual transmissions for street and strip applications, torque converters and clutch sets, flexplates and flywheels, plus limited-slip differentials, spools, lockers, ring and pinion sets, driveshafts, U-joints, axles, bearings, C-clip eliminator kits, transfer cases, shift kits, and rebuild kits. We also have a wide selection of trans-brakes, shifters, cables, and accessories—everything you need to put the power to the ground, Summit style.

Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic and manual transmissions for street and strip applications, torque converters and clutch sets, flexplates and flywheels, plus limited-slip differentials, spools, lockers, ring and pinion sets, driveshafts, U-joints, axles, bearings, C-clip eliminator kits, transfer cases, shift kits, and rebuild kits. We also have a wide selection of trans-brakes, shifters, cables, and accessories—everything you need to put the power to the ground, Summit style.

Individual Parts

Results 1 - 25 of 36

Axle 7.5" GM REAR, '90-'02 ASTRO & SAFARI, 34-7/8", 28spl, LH, W/O ABS TONE RING, 2.445" OD BRG

Part Number: SPZ-11924

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Axle 7.5" GM REAR, '90-'02 ASTRO & SAFARI, 30-1/2", 28spl, RH, W/O ABS TONE RING, 2.445" OD BRG

Part Number: SPZ-11925

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Axle Shaft, C-clip, 31-spline, 35.313 in. Length, 6 x 135mm, Driver Side Rear, Ford 8.8 in., Each

Part Number: SPZ-35029

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Axle Shaft, C-clip, 31-spline, 33.750 in. Length, Passenger Side Rear, Ford 8.8 in., Each

Part Number: SPZ-35028

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Axle Shaft, C-clip, 29-spline, 1541 Carbon Steel, 30.875 in. Length, Rear, Chrysler 8.25 in. Length, Jeep

Part Number: SPZ-35010

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Axle Shaft Assembly, Rear Driver Side, Bolt-in, 27-spline Inner, Steel, Dana 35, Jeep, Each

Part Number: CWA-83502883

Not Yet Reviewed

Estimated Ship Date: Today

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Axle Shaft Assembly, Rear Passenger Side, Bolt-in, 27-spline Inner, Steel, Dana 35, Jeep, Each

Part Number: CWA-83502882

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Automatic Transmission Brackets and Levers, Shifter Shaft, Includes Seal, GM, TH350/TH350C, Each

Part Number: SOX-35801-02K

4.92 out of 5 stars ( 12 )

Estimated Ship Date: Today

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LEVER, PARK & RANGE SELECTOR GM "ROOSTER COMB"

Part Number: SOX-28862

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Axle Shaft Repair Bearing GM,Isuzu,Saab 88-17

Part Number: FWB-DR0151K

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Automatic Transmission Drum, Smart-Tech Drum Module, Aluminum, Chevy, TH400, Kit

Part Number: SOX-34555-01K

Not Yet Reviewed

Estimated Ship Date: Today

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Automatic Transmission Bearing and Races, Master Repair Kit, Chevy, GMC, Hummer, Cadillac, Pontiac, Kit

Part Number: LUK-4620219100

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Axle Seal, Rear Axle Shaft Size-1.399 in., Seal O.D-.2.296, Seal Width-0.460 in., Bidirectional, Each

Part Number: TMK-8660S

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Axle Seal, Rear, 1.399 shaft, Various Makes 64-09, each

Part Number: FWB-SS2468

Not Yet Reviewed

Estimated Ship Date: Today

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Rear Axle, CHEVY P/U 2500 AXLE

Part Number: VRE-RAX2080B

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

Torque Converter, Street Bandit, 9.6 in. Diameter, Lockup, 2,400-2,800 Stall, GM, 700R4 , Each

Part Number: APE-48452

3.4 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Yoke, 1350 Series Transmission Yoke, 32-spline, Forged Steel, 3.44 in. Length, At Transmission Position, GM/Muncie/Richmond, Each

Part Number: MSR-TY750R

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Reman Axle Assy, AAM 11.5 In., 4.10 Ratio, w/o Posi Traction

Part Number: ZUD-10372

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

U-Joints, Gold Universal Joints, Greasable, Steel, for Nissan, AMC, Chevy, Dodge, Ford, GMC, International, Isuzu, Jeep, Mercury, Olds, Pontiac, Each

Part Number: ADO-45U0107

Not Yet Reviewed

Estimated Ship Date: Today

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U-Joints, Gold Universal Joints, Steel, Round Plain, Buick, Cadillac, Chevrolet, GMC, Hummer, Oldsmobile, Pontiac, Saab, Each

Part Number: ADO-89059111

Not Yet Reviewed

Estimated Ship Date: Today

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Wheel Bearing, Rear Inner, Each

Part Number: TMK-6408

4.18 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Axle Seal, Rear Outer, Avanti, Buick, Chevy, GMC, Chrysler, Dodge, Plymouth, Ford, Lincoln, Mitsubishi, Each

Part Number: TMK-8835S

4.31 out of 5 stars ( 16 )

Estimated Ship Date: Today

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Axle Bearing, 1.402 in. Bore, 2.252 in. O.D., 0.698 in. Width, Rear, AMC, Chevy, GMC, Chrysler, Ford, Each

Part Number: TMK-5707

4.72 out of 5 stars ( 18 )

Estimated Ship Date: Today

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Bearing, Pinion, 1.312 in. Inside Diameter, Each

Part Number: TMK-M88048

5.0 out of 5 stars ( 14 )

Estimated Ship Date: Today

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Wheel Bearing, Rear Inner, Each

Part Number: TMK-SET10

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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